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Operating instructions for

Direct Current Electric External
Vibrators

Series NED

August 2022

No. 2068E

Page 1/26

These operating instructions apply to:

NED 605

NED 5016

NED 50100

NED 50200

NED 50500

NED 601110

NED 601510

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Содержание NED 50100

Страница 1: ...g instructions for Direct Current Electric External Vibrators Series NED August 2022 No 2068E Page 1 26 These operating instructions apply to NED 605 NED 5016 NED 50100 NED 50200 NED 50500 NED 601110 NED 601510 ...

Страница 2: ...osal 25 12 Annex 26 Please refer to the delivery note for the scope of delivery Check the packaging for possible transport damage In the event of damage to the packaging check the contents for completeness and possible damage Inform the carrier in the case of damage The Electric External Vibrators of the series NED are hereafter referred to as NED Document no 2068E Version no 1 Date of issue Augus...

Страница 3: ...maintenance in these instructions are based on the latest information available at the time of printing and take our past experience to the best of our knowledge into account No claims can be derived from the information illustrations and descrip tions in these operating instructions The manufacturer does not assume liability for damages resulting from failure to observe the instructions improper ...

Страница 4: ...onal injuries CAUTION indicates a potentially dangerous situation Disregard of this notice can result in minor or moderate per sonal injuries NOTICE indicates potential material damage Disregard of this notice can result in material damage IMPORTANT indicates actions methods or notes that are not relative to safety e g use ful information and tips Environmentally safe disposal indicates the obliga...

Страница 5: ...electric shock leads to serious injuries or even death Perform all work only with insulated tools suitable for the application All work on the system may only be carried out in a volt free state Never open the terminal box cover when voltage is ap plied Never loosen or remove paint sealed screws Never touch or remove safety covers Protect the NED against falling parts during all work Metal parts c...

Страница 6: ...s there is risk of inju ry due to rotating unbalances Operate the NED only with mounted unbalance covers WARNING Risk of injury while handling heavy parts Risk of serious injury due to weight during transport and installation of the NED Observe the weight information in Chapter Technical data from page 7 on Only qualified personnel may transport and install the NED Use suitable load handling devic...

Страница 7: ... plate must not be exceeded These values are valid for operation with an ON period of 100 For the following operation modes spe cial requirements apply cycled operation or synchronous operation These must be clarified with NetterVibration on a case by case basis Sound level Depending on type 70 dB A The sound level is determined to a great extent by the surface upon which the NED is mounted e g sh...

Страница 8: ...rVibration recommends the following tightening torques Nm Type M4 M5 M6 M8 M10 M12 M16 M20 M22 M24 Fastening screws and nuts steel Property class 8 8 10 25 50 87 210 411 559 711 Fastening screws for XS unbalances steel Property class 12 9 42 83 146 360 710 970 1225 Fastening screws and nuts stainless steel 8 8 21 4 44 74 183 Terminal plate nuts steel 1 2 2 0 3 0 6 5 13 5 Screws as supplied without...

Страница 9: ...e Includes electrical parts 5 Connection cable Connecting the NED to the customer s power supply 6 Unbalance covers Protect against grabbing into the unbal ances The Electric External Vibrators of the series NED are direct current motors asynchronous motors with inverter with adjustable weights unbalances mounted on their shaft ends The NED generate circular vibrations that means the vibrations ac...

Страница 10: ...e suitable steel cables or hoisting slings which are suf ficiently dimensioned for these weights Handle the NED very carefully during transport The NED are packed ready for installation The packaging protects the NED from transport damage The packaging material has been selected from an environmentally safe and technically disposable point of view and is therefore recyclable The return of packagin...

Страница 11: ...regular intervals usually month ly For safe fastening NetterVibration recommends the use of fas tening kits NBS consisting of a screw a special lock washer and for NBS D a nut Fasten the NED with the fastening screws on the mounting surface Use a torque wrench and tighten the screws crosswise Observe the recommended values for screw sizes and tightening torques see chap Technical data from page 7 ...

Страница 12: ...uitable overload protection 1 must be pre connected to each vibrator The motor protection switches must be interlocked with each other in pairs so that in the event of a motor failure the power supply from both motors is interrupted at the same time in or der not to cause uncontrolled vibrations which can damage the system All electrical cables must be carefully laid and must be protected from hig...

Страница 13: ...ied cable according to the specifications on the type plate Polarity of the connection cables NED Models 605 5016 The insulation is marked with the numbers 1 or 2 NED Models 50100 50200 601110 601510 Brown cable Blue cable Connection examples NED ...

Страница 14: ...er be opened in the presence of volt age Note that the models NED 50100 up to NED 601510 have a start delay of approx 1 second Carry out the following measures before start up 1 Check that the NED have been mounted correctly and are in perfect condition 2 Check that the NED have been properly connected 3 Check that the cables are undamaged and laid according to the known regulations and standards ...

Страница 15: ...ly Procedure 1 Switch off the NED at the main switch secure against unintentional starting and ensure that there is no voltage 2 Loosen both unbalance covers 3 Loosen the locking nuts or locking screws 4 Bring the unbalances to the desired setting according to the following descriptions for the various unbalance discs Note the mirror symmetrical setting 5 Retighten the locking nuts or locking scre...

Страница 16: ...y compensation washers of identical thickness and identical inner diameter These are available from NetterVibration 2 The unbalance adjustment coarse adjustment is performed by turn ing one unbalance disc on each side by 180 on the shaft Twice the number of unbalance discs turned by 180 becomes inef fective The centrifugal force is adjustable with the unbalance discs lamella type XLs Adjustment of...

Страница 17: ...D 50200 3 10 3 2 NED 50500 3 10 3 2 NED 601110 1 8 2 2 Example NED 50100 has a total of 6 unbalance discs 3 discs per side 2 fixed 1 adjustable If a centrifugal force of 88 is desired the adjustable unbalance discs are rotated anticlockwise on both sides into the fourth grid position centrifugal force 100 centrifugal force 88 ...

Страница 18: ...nbalance loosen the bolts with nuts on the unbalances on both sides By turning the unbalance disc discs to another position the percentage value of the centrifugal force changes according to the follow ing figure After adjustment fasten the bolts with nuts on both sides with the recom mended torque see page 8 Unbalances type XN ...

Страница 19: ...oltage free 4 Earth and short circuit 5 Cover and fence off neighbouring live parts Maintenance of the NED must be carried out as follows Interval Action If required depending on operating conditions Clean the NED regularly with a wet cloth to remove dust de posits After one hour operation after initial start up Check screw connections and retighten if necessary Monthly Check screw connections and...

Страница 20: ... life determines the service life of the types NED 50100 50200 50500 601110 601510 When the bearing service life is reached replace the bearings with equiva lent ones see section Replacement of bearings Type Service life h Bearing life h NED 605 1500 NED 5016 3000 NED 50100 20230 NED 50200 3844 NED 50500 1378 NED 601110 2092 NED 601510 858 The item numbers refer to the spare parts list Example NED...

Страница 21: ... screws 1 of the unbalance cover Put a lever between the unbalance discs and this long screw After loosening the locking nut 4 the unbalances can be removed from the shaft 4 Remove circlip 54 5 Replace both bearings 13 with equivalent bearings 6 Assembly is carried out in the reverse order 7 Tighten locking nuts 4 to the specified tightening torque 8 Before mounting the unbalance covers replace th...

Страница 22: ... The qualified personnel has to work exclusively with tools suitable for the application In the case of unauthorised intervention in the NED there is no longer any warranty claim Before any troubleshooting the NED must be safely disconnected from the electrical mains The procedure is as follows 1 Switch off NED 2 Secure against unintentional switching on 3 Determine that NED are voltage free 4 Ear...

Страница 23: ...al box tighten terminal plate nuts Cable breakage Check connection cable replace if necessary Incorrectly dimensioned connec tion cable Check cable cross section and re place cable if necessary Overload Check setting of unbalance reduce unbalances Mains voltage too low Check mains voltage and cable cross section and if necessary adjust or replace cable Excessive heating of the vibrator See fault H...

Страница 24: ...r of spare part according to the over view on page 20 4 required amount The following accessories are available for NED Component Description Shim washers Compensation for removed unbalance discs Fastening kit NBS Recommended for secure and permanent fastening of the NED Further electrotechnical accessories on request Customised special versions are available on request Contact NetterVibration Ord...

Страница 25: ...lable on request All parts of the NED can be recycled Material Part Steel or stainless steel Rotor unbalances flange bearings screws washers nuts unbalance covers Aluminium Housing type plate Plastic Seals terminal box block sheathing of connection cable and strands Copper copper with resin Strands of the connection cable winding Prices Material specifications ...

Страница 26: ...Annex 26 12 Annex The declaration of conformity can be found at www NetterVibration com ...

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